Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Assess Your Life Insurance Needs This calculator estimates how much life insurance you would need to meet your family's needs if you were to die prematurely. Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are? The Three Keys to a Great Password Have fun and learn how to craft the perfect password with the help of this highly engaging infographic.